﻿* {
    margin: 0px;
    padding: 0px;
}

li {
    text-decoration: none;
}

#certer1 {
    width: 100%;
    height: 660px;
    background-image: url('../Img/关于我们/9.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

#certer2 {
    width: 100%;
    height: 606px;
}

    #certer2 .div1 {
        width: 100%;
        height: 106px;
    }

    #certer2 .div2 {
        width: 1200px;
        height: 500px;
        border: 0px solid red;
        margin: 0px auto;
        display: flex;
        justify-content: space-around;
    }

.div2left {
    width: 750px;
    height: 500px;
    border: 0px solid red;
}

.div2right {
    width: 400px;
    height: 430px;
    border: 0px solid red;
    background-image: url('../Img/关于我们/11.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

.div2lefttit {
    color: #efefef;
    font-size: 24px;
}

.enn {
    color: #2f2f2f;
    font-size: 38px;
    line-height: 1.2;
}

.div2leftnr {
    font-family: 微软雅黑;
    font-size: 15px;
    line-height: 1.42857143;
    color: #333;
    background-color: #fff;
}

#certer3 {
    width: 100%;
    height: 680px;
    background-image: url('../Img/关于我们/21.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

    #certer3 .div1tit {
        width: 1200px;
        height: 100px;
        border: 0px solid red;
        margin: 50px auto;
    }

.div2certer {
    width: 1200px;
    height: 375px;
    border: 1px solid red;
    margin: 0px auto;
}

.div1tit li {
    text-align: center;
}

.lio1 {
    font-size: 38px;
    color: #272a2f;
}

.lio2 {
    font-size: 16px;
}

.lio3 {
    width: 60px;
    height: 4px;
    background-color: red;
    margin: 0px auto;
    margin-top: 10px;
}

#certer4 {
    width: 100%;
    height: 690px;
    background-image: url('../Img/关于我们/14.jpg');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}


/*清除边距*/
.container div, ul, li {
    margin: 0;
    padding: 0;
}
/*首先准备一个放图片的容器*/
.container {
    width: 800px;
    height: 350px;
    position: relative;
    top: 10px;
    left: 0px;
    right: 0px;
    margin: 0px auto;
    /*border: 1px solid #ccc;*/
}
    /*图片样式*/
    .container img {
        position: absolute; /*把所有图片放在同一个位置*/
        width: 100%;
        height: 100%;
        transition-duration: 0.5s; /*设置过渡时间*/
        opacity: 0; /*把所有图片变透明*/
    }
        /*图片显示开关*/
        .container img.on {
            opacity: 1; /*用于显示图片*/
        }
/*左右按钮 按钮用图片更好点,这里为了简便就用大于小于号*/
.left, .right {
    position: absolute;
    top: 30%;
    width: 60px;
    height: 100px;
    line-height: 100px;
    background-color: #666;
    opacity: 0.5;
    text-align: center;
    font-size: 60px;
    color: #ccc;
    display: none; /*先隐藏按钮*/
    cursor: pointer; /*设置鼠标悬停时的样式*/
}

.left {
    left: 0;
}

.right {
    right: 0;
}

.container:hover .left, .container:hover .right {
    display: block; /*鼠标悬停才容器范围内时显示按钮*/
}

.left:hover, .right:hover {
    color: #fff;
}
/*焦点*/
.container ul {
    position: absolute;
    bottom: 0;
    right: 20%;
    max-width: 500px;
    padding: 5px 200px;
}

    .container ul li {
        list-style: none;
        float: left;
        background-color: #ccc;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        margin-left: 10px;
        cursor: pointer;
    }

        .container ul li.active {
            background-color: #282923; /*焦点激活时的样式*/
        }
